medium operating conditions
51Personal rapid transit — ation concept that offers on demand, non stop transportation, using small, independent vehicles on a network of specially built guideways. Several different designs have been proposed, and as of 2008, at least one is under… …
52Insulated-gate bipolar transistor — The insulated gate bipolar transistor or IGBT is a three terminal power semiconductor device, noted for high efficiency and fast switching. It switches electric power in many modern appliances: electric cars, variable speed refrigerators, air… …
53Four-stroke engine — Four stroke cycle used in gasoline/petrol engines. The right blue side is the intake and the left yellow side is the exhaust. The cylinder wall is a thin sleeve surrounded by cooling liquid. A video montage of the Otto engines running at the… …
54Benito Juárez, D.F. — Benito Juárez   Delegación   Benito Juárez within the Federal District Country …
55Power engineering — Power engineering, also called power systems engineering, is a subfield of electrical engineering that deals with the generation, transmission and distribution of electric power as well as the electrical devices connected to such systems… …
56Nordex — SE Type Societas Europaea Traded as FWB: NDX1 …
57Fracture mechanics — Continuum mechanics …
58Diesel particulate filter — A diesel particulate filter (top left) in a Peugeot Off road DPF Installa …
59Turboexpander — A turboexpander, also referred to as a turbo expander or an expansion turbine, is a centrifugal or axial flow turbine through which a high pressure gas is expanded to produce work that is often used to drive a compressor. [cite book|author=Heinz… …
60Chevrolet Cosworth Vega — This article is about the Chevrolet Cosworth Vega. For general Vega information, see Chevrolet Vega. Chevrolet Cosworth Vega 1975 Chevrolet Cosworth Vega Hatchback Coupe Manufacturer Chevrolet Division of General Motors …
